THE IMPACT OF CHERNOBYL FALLOUT ON THE SOUTHERN SAAMI REINDEER HERDERS OF NORWAY IN 1996

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Abstract
— The reindeer-herding Southern Saamis, from Central Norway, were the population group exposed to the highest levels of radioactivity in Norway, following the Chernobyl accident. Radiocesium whole-body contents and dietary habits have been investigated regularly in this population group since 1987. Meat of semi-domesticated reindeer is important in their diet, and earlier studies have shown that contaminated reindeer meat contributes about 90% to the total intake of radiocesium. A major part of the group also consumes wild food products like game, freshwater fish, mushrooms, and berries. The application of countermeasures has been a common practice for the reindeer herders since the Chernobyl accident. According to the interviews in 1996, the three most commonly used and socially accepted countermeasures were (1) selection of reindeer for consumption after live monitoring of radiocesium concentrations; (2) selection of reindeer for consumption from less contaminated grazing areas; and (3) clean feeding of animals before slaughtering. Despite these countermeasures about one third of the population still have reduced reindeer meat intake because of the Chernobyl fallout. In 1996, the average whole body concentration of 137Cs for this population was found to be 88±7 Bq kg−1 for women and 164±11 Bq kg−1 for men (arithmetic mean ± standard error). This is approximately half of the whole-body concentration of 137Cs measured in the same population in 1990–1991.